| Korea Institute of Machinery & Materials Patent applications |
| Patent application number | Title | Published |
|---|
| 20130149188 | C+N AUSTENITIC STAINLESS STEEL HAVING GOOD LOW-TEMPERATURE TOUGHNESS AND A FABRICATION METHOD THEREOF - A C+N austenitic stainless steel includes 15 to 20% by weight of chromium (Cr), 8 to 12% by weight of manganese (Mn), 3% or less by weight of nickel (Ni), and 0.5 to 1.0% by weight of a total content (C+N) of carbon (C) and nitrogen (N), remainder iron (Fe), and other inevitable impurities. A ratio (C/N) of the carbon (C) to the nitrogen (N) ranges from 0.5 to 1.5. It is possible to provide austenitic stainless steel having excellent low-temperature toughness while satisfying the requirements of strength, ductility, and pitting corrosion resistance and minimizing the nickel content | 06-13-2013 |
| 20130140076 | WAVEBAND ELECTROMAGNETIC WAVE ABSORBER AND METHOD FOR MANUFACTURING SAME - Provided is a wideband electromagnetic wave (EMW) absorber including a magnetic composite having a structure in which magnetic particles are dispersed in a polymer resin, and a plurality of conductive lines arranged in the magnetic composite, and a method of manufacturing the same. The wideband EMW absorber can be used for a device configured to emit EMWs and effectively absorb wideband EMWs. | 06-06-2013 |
| 20130130050 | Multilayered Metal Including Titanium, and Method for Manufacturing Method Same - A multilayer metal structure is provided that includes an inner layer of metal materials which are not titanium and outer layers on both sides of the inner layer which are formed by rolling titanium powders. A method for manufacturing the multilayer metal structure is provided that includes preparing titanium powders and metal materials which are not titanium, feeding the titanium powders and the metal materials to a vertical type rolling mill, simultaneously rolling the titanium powders and the metal materials by the rolling mill and forming the multilayer metal structure consisting of an inner layer and outer layers on both sides of the inner layer, and post-forming the multilayer metal structure to increase a packing density. | 05-23-2013 |
| 20130122576 | DEVICE FOR AUTOMATICALLY ANALYZING NUCLEIC ACID - An apparatus for automatically analyzing a nucleic acid includes: a sample preprocessing device including a plurality of chambers in which reagents mixed with a sample are accommodated according to sample preprocessing process order for extracting a nucleic acid from the sample; and a nucleic amplifying and detecting device connected with the sample preprocessing device to receive the nucleic acid extracted from the sample. | 05-16-2013 |
| 20130118536 | ULTRASONIC PRECISION CLEANING APPARATUS - Disclosed is an ultrasonic cleaning apparatus, which generates uniform sound pressure across a wide area of a piezoelectric element without the sound pressure being concentrated into the middle of the piezoelectric element to thereby increase cleaning efficiency without damage of an object to be cleaned. The ultrasonic precision cleaning apparatus includes: a cleaning solution supplier for supplying a cleaning solution to an object to be cleaned; a transmitter (or transducer) having a piezoelectric element having a ceramic body and upper and lower electrodes respectively deposited to upper and lower portions of the ceramic body and producing ultrasonic waves, an ultrasonic waveguide coupled to a tip of the piezoelectric element, placed opposite to the object to be cleaned and transmitting the ultrasonic waves produced from the piezoelectric element to the object to be cleaned, a housing and a power line, wherein the piezoelectric element or the middle of the ultrasonic waveguide is formed with a vertical hole. | 05-16-2013 |
| 20130113125 | ROTATING UNIT-BASED MICRO-SIZED BUBBLE GENERATOR - The present invention relates to a micro-sized bubble generator. A micro-sized bubble generator using a highly-dissoved solution based on a rotating unit according to an exemplary embodiment of the present includes: a rotating unit receiving a mixture of water and gas and discharging a solution while making the water and gas collide with each other and rotating the same; a dissolving tank storing the solution discharged from the rotating unit; and a nozzle unit receiving the solution and generating micro-sized bubbles in the water. Accordingly, a massive amount of micro-sized bubbles less than 100 nm in size can be generated. | 05-09-2013 |
| 20130087287 | PLASMA REACTOR FOR REMOVAL OF CONTAMINANTS - Provided is a plasma reactor for removal of contaminants, which is installed between a process chamber and a vacuum pump and removes contaminants emitted from a process chamber. The plasma reactor includes: at least one dielectric body that forms a plasma generation space therein; a ground electrode connected to at least one end of the dielectric body; and at least one driving electrode fixed to an outer peripheral surface of the dielectric body, and connected to an AC power supply unit to receive an AC driving voltage. The ground electrode has a non-uniform diameter along the lengthwise direction of the plasma reactor. | 04-11-2013 |
| 20130031781 | METHOD FOR BURYING CONDUCTIVE MESH IN TRANSPARENT ELECTRODE - The present invention relates to a method for burying a conductive mesh in a transparent electrode, and more particularly, to a method which prevents a conductive mesh from protruding from a transparent electrode by burying the conductive mesh in the transparent electrode. | 02-07-2013 |
| 20130020110 | METHOD OF MANUFACTURING FILM PRODUCT USING THERMAL ROLL IMPRINTING AND BLADE COATING, AND SECURITY FILM AND FILM INTEGRAL ELECTRIC DEVICE USING THE SAME - An aspect of the present invention provides a method of manufacturing a film product using thermal roll imprinting and blade coating. A method of manufacturing a film product using thermal roll imprinting and blade coating according to an exemplary embodiment of the present invention includes a preparing step of preparing a first transparent film; an imprinting step of transporting the first transparent film between a thermal roll provided with an imprint mask and a support roll to form a groove of a fine pattern on the first transparent film; and a blading step of filling a filling material of a paste state having at least one property of light blocking and conductivity in the groove of the first transparent film by a doctor blade. | 01-24-2013 |
| 20130009501 | MAGNETIC BEARING STRUCTURE AND TURBO MACHINE HAVING THE SAME - Disclosed is a magnetic bearing structure including a permanent magnet, levitating a rotation body without a bias current, and easily magnetizing the permanent magnet. The magnetic bearing structure includes a ring-shaped permanent magnet provided on a side of a rotation shaft and magnetized in a direction parallel with a shaft direction of the rotation shaft, a coil installed on a side of the permanent magnet, and a conductor installed on an external side of the coil and used to form a magnetic field path. According to the configuration, when an additional bias current is not supplied to the coil installed in the magnetic bearing, a rotation body levitates according to the magnetic field caused by the permanent magnet, and a magnetized direction of the permanent magnet is in parallel with a shaft direction of the rotation shaft thereby allowing easy magnetization and increasing productivity of the magnetic bearing. | 01-10-2013 |
| 20130008328 | REVERSE GRAVURE OFFSET PRINTING METHOD AND APPARATUS USING DISPOSABLE CLICHE - Disclosed are a reverse gravure offset printing method and apparatus using a disposable cliche, which do not require cleaning of the cliche and do not require a large quantity of high-definition cliches because the cliche used in reverse gravure offset printing can be discarded after used once or several times and replaced with a new one, thereby achieving cost reduction. | 01-10-2013 |
| 20120322154 | APPARATUS AND METHOD FOR MANUFACTURING CELL CULTURE SCAFFOLD - A cell culture scaffold manufacturing apparatus according to an exemplary embodiment of the present invention includes a solution storage portion in which a biopolymer solution is stored; a plotter that includes a plotter nozzle for ejecting a solution supplied from the solution storage portion; and a cylindrical collection portion that has a cylinder shape and is disposed at a lower portion of the plotter so that the solution ejected through the plotter nozzle of the plotter is collected. | 12-20-2012 |
| 20120291275 | METHOD OF FORMING METAL INTERCONNECTION LINE ON FLEXIBLE SUBSTRATE - Provided is a method of forming a metal interconnection line on a flexible substrate, wherein the method includes: coating a hard mask layer on at least one surface of the flexible substrate, followed by performing photolithography thereon to form a predetermined hard mask pattern; etching a portion of the flexible substrate by using the hard mask pattern as a mask to form a trench; plasma treating the inside of the trench by using a treatment gas for pre-treating the flexible substrate; coating a seed layer inside the trench; removing the hard mask pattern; and filling the inside of the trench coated with the seed layer with metal. A metal interconnection line formed by using the method may have a strong adhesion force with respect to the flexible substrate. | 11-22-2012 |
| 20120285162 | FUEL CELL-ENGINE HYBRID SYSTEM - The present invention relates to a fuel cell-engine hybrid system formed to effectively utilize an exhaust gas discharged from a process for generating electricity. A fuel cell-engine hybrid system according to the present invention includes: an electricity generating unit including a cathode and an anode interposing an electrolyte membrane therebetween; and an engine unit connected to a rear end of the electricity generating unit and generating power by receiving the exhaust gas discharged from the anode. | 11-15-2012 |
| 20120237391 | Ni-Base Single Crystal Superalloy with Enhanced Creep Property - The present invention provides Ni-base single crystal superalloy with good high-temperature property, particularly long creep life and excellent resistance to creep deformation, by adjusting content of Al and Ti that form a gamma prime (γ′), a major hardening phase of the Ni-base single crystal superalloy. The Ni-base single crystal superalloy comprise Co: 11.5˜13.5%, Cr: 3.0˜5.0%, Mo: 0.7˜2.0%, W: 8.5˜10.5%, Al: 3.5˜5.5%, Ti: 2.5˜4.5%, Ta: 6.0˜8.0%, Re: 2.0˜4.0%, Ru: 0.1˜2.0% in Weight %, and the rest is Ni and other inevitable impurities. And composition ratio of Al/Ti is 0.7˜2.2. In addition, the superalloy has a mixed structure of the γ matrix and γ′ particles. | 09-20-2012 |
| 20120237309 | TOOL HOLDER USING SHAPE MEMORY ALLOY AND TOOL HOLDING METHOD - A tool holder using a shape memory alloy and a tool holding method are provided. | 09-20-2012 |
| 20120234136 | MAGNESIUM - ALUMINIUM MAGNETIC POWDER AND METHOD FOR MAKING SAME - This invention relates to Mn—Al magnetic powders of a high coercive force which are obtained from Mn—Al alloy vaporized by plasma arc discharging, and a manufacturing method thereof. | 09-20-2012 |
| 20120204745 | ROLL IMPRINTING APPARATUS - An exemplary embodiment of the present invention relates to roll imprint that simplifies a substrate patterning process by simultaneously performing a process for imprinting a pattern to a coating layer and a process for curing the pattern. | 08-16-2012 |
| 20120196125 | METHOD OF MANUFACTURING PRE-SINTERED SI-MIXTURE GRANULE FOR POROUS SINTERED REACTION-BONDED SILICON NITRIDE, POROUS PRE-SINTERED GRANULE MANUFACTURED BY THE METHOD, AND METHOD OF MANUFACTURING POROUS SINTERED REACTION-BONDED SILICON NITRIDE - The present invention relates to a method of manufacturing a porous pre-sintered granule for a sintered reaction-bonded silicon nitride, to which a pressure forming technology can be applied to obtain a porous sintered reaction-bonded silicon nitride having high porosity and having a structure in which macropores and micropores coexist with each other, and to a porous pre-sintered granule manufactured by the method. The method includes the steps of: granulating a raw material comprising silicon and sintering additives including yttrium, aluminum and at least one alkali earth metal compound; and pre-sintering the granulated raw material at a temperature of 1300˜1375° C. under an inert atmosphere. According to the present invention, a porous pre-sintered granule for porous sintered reaction-bonded silicon nitride, which can increase the air permeability and trapping efficiency by controlling the size of a pore channel such that macropores and micropores coexist, can be manufactured. | 08-02-2012 |
| 20120171582 | OPEN TYPE FUEL CELL SYSTEM - An open type fuel cell system is provided including a recirculating unit that recirculates hydrogen discharged from a main fuel cell into the main fuel cell and a reproducing unit that removes water and impurities produced in operation of the main fuel cell. The open type fuel cell system is adapted so that it does not discharge hydrogen supplied to a main fuel cell into the atmosphere. | 07-05-2012 |
| 20120160115 | PRINTING DEVICE USING THERMAL ROLL IMPRINTING AND PATTERNED PLATE, MICROFLUODIC ELEMENT USING THE SAME, FILM LAMINATING DEVICE FOR SENSOR, AND PRINTING METHOD - A printing device using thermal roll imprinting and a patterned plate according to the present invention includes: a first supply roll continuously supplying a patterning film; a heating roll and a first sub-roll imprinting a first pattern in the patterning film supplied from the first supply roll by pressing the patterning film from both sides thereof to form a patterning plate; an imprinting mask provided with an original pattern to be imprinted to the patterning film and mounted on the surface of the heating roll; a first recovery roll recovering the patterned plate; a rotatable inking roll inking the first pattern imprinted to the patterned plate; a doctor blade forming a second; a blanket roll forming a third pattern; and a second sub-roll forming a fourth pattern by pressing a printing film and printing the third pattern of the blanket roll to the printing film. | 06-28-2012 |
| 20120153496 | TSV FOR 3D PACKAGING OF SEMICONDUCTOR DEVICE AND FABRICATION METHOD THEREOF - The present invention relates to a through silicon via (TSV) for 3D packaging to integrate a semiconductor device and a method for manufacturing the same, and more particularly, to a through silicon via (TSV) for 3D packaging of a semiconductor device that is capable of improving production efficiency, having very high electric conductivity, and minimizing electrical signal delay, without using a carrier wafer by self-aligning substrates in a low temperature state and sequentially bonding a plurality of semiconductor dies (or semiconductor chips), and a method of manufacturing the same. | 06-21-2012 |
| 20120132266 | PHOTOELECTRIC CONVERSION DEVICE USING SEMICONDUCTOR NANOMATERIAL - Provided is a photoelectric conversion device using a semiconductor nanomaterial, which converts light energy having photon energy into electrical energy, including: a substrate, a plurality of semiconductor nanomaterials arranged on the substrate, and a metal layer that is formed on the semiconductor nanomaterial and is joined with the semiconductor nanomaterial by a schottky junction, wherein electrical energy is generated by a rectified current generated between the semiconductor nanomaterial and the metal layer joined by the schottky junction. | 05-31-2012 |
| 20120100773 | ORGANIC LIGHT EMITTING DEVICE AND MANUFACTURING METHOD THEREOF - An organic light emitting device having a photonic crystal structure and a manufacturing method thereof are provided. The organic light emitting device comprises: a substrate through which light passes; a photonic crystal layer formed on the substrate and having a photonic crystal structure; an intermediate layer formed on the photonic crystal layer and having a large refractive index compared with the photonic crystal layer; a first electrode layer formed on the intermediate layer; a light emitting layer formed on the first electrode layer and emitting light according to current flow; and a second electrode layer formed on the light emitting layer. | 04-26-2012 |
| 20120097424 | METHOD FOR MANUFACTURIING TRANSPARENT ELECTRODE USING PRINT-BASED METAL WIRE AND TRANSPARENT ELECTRODE MANUFACTURED THEREBY - A method for manufacturing a transparent electrode using a print-based metal wire is provided, which enables the mass production of the transparent electrode as a substitute for ITO at low cost. The manufacturing method includes: the first step of forming a metal wire in a pattern set for a transparent substrate; and the second step of coating a solution type transparent electrode on the transparent substrate. | 04-26-2012 |
| 20120096709 | APPARATUS FOR MANUFACTURIING TRANSPARENT ELECTRODE USING PRINT-BASED METAL WIRE - An apparatus for manufacturing a transparent electrode using a print-based metal wire is provided which can mass produce the transparent electrode as a substitute for ITO at low cost. The apparatus for manufacturing a transparent electrode using a print-based metal wire includes: a print unit that forms a metal wire in a pattern set for a transparent film; and a coating unit that coats a solution type transparent electrode on the transparent film. | 04-26-2012 |
| 20120070751 | CLOSED LOOP TYPE FUEL CELL SYSTEM - A closed loop type fuel cell system is provided including a recirculating unit that recirculates hydrogen and oxygen discharged from a main fuel cell into the main fuel cell and a reproducing unit that removes water produced in operation of the main fuel cell and impurities contained in the circulated hydrogen and oxygen. Further, a closed loop type fuel cell is provided that makes it possible to generate electricity by using a main fuel cell and purify water and impurities by allowing a side of a recirculating unit to selectively communicate with a side of a reproducing unit. Further, a closed loop type fuel cell is provided that is precluded by being damaged by precluding reduction of efficiency of electric generation of a mina fuel cell by selectively replacing a sacrifice fuel cell in a reproducing unit. | 03-22-2012 |
| 20120066963 | DEVICE FOR PREPARING BIO-OIL, SYSTEM FOR PREPARING BIO-OIL AND METHOD FOR PREPARING BIO-OIL USING THE SAME - A device for preparing bio-oil, a system for preparing bio-oil and a method for preparing bio-oil using the same are provided. Biomass is supplied to an inclined portion of a reactor, and high-temperature hot sand is supplied to an upper side of the biomass supplied to the inclined portion. Then, a heater heats the inclined portion. Thus, the fast pyrolysis performance of the biomass can be enhanced, thereby increasing the yield of bio-oil. Also, combustion gas produced from the heater is supplied to the interior of the reactor, so that the interior of the reactor can be simply formed under a nonoxidizing atmosphere. Accordingly, the device for preparing bio-oil can be manufactured into a very simple structure. | 03-22-2012 |
| 20120042913 | CLEANING APPARATUS USING ULTRASONIC WAVES - Disclosed herein is a cleaning apparatus using ultrasonic waves. The cleaning apparatus to separate contaminations from a wafer includes a housing receiving an oscillator therein, and a rod coupled to a surface of the oscillator to transmit ultrasonic waves produced from the oscillator to a cleaning solution applied onto an upper surface of the wafer. The oscillator includes a piezoelectric device bonded to a diffusive layer consisting of a near-field region and a far-field region. The rod has a diameter-reduced portion to amplify the ultrasonic waves produced from the oscillator, thereby enabling the efficient removal of the contaminations on the wafer to be cleaned. | 02-23-2012 |
| 20120012511 | APPARATUS FOR OSMOTIC POWER GENERATION AND DESALINATION USING SALINITY DIFFERENCE - An apparatus for osmotic power generation and desalination of seawater using a salinity difference is provided. | 01-19-2012 |
| 20110311890 | OPEN TYPE FUEL CELL SYSTEM WITH UNREACTED MATERIAL REMOVING FUNCTION - Disclosed is an open type fuel cell system with an unreacted material removing function, including a main fuel cell reacting an oxidant and a reductant to generate electricity, a supply means supplying material containing an oxidant and a reductant for the main fuel cell, a recirculating means recirculating unreacted material discharged from a main fuel cell into the main fuel cell, a detector detecting voltages of a plurality of cells composing the main fuel cell, a regenerating means selectively communicating to one side of the main fuel cell to remove moisture and impurities inside the main fuel cell, a humidification means supplying moisture discharged from the main fuel cell into the main fuel cell, an exhausting means circulating and exhausting inside the regenerating means unreacted material remnant inside the regenerating means, and a controller controlling actions of the supply means, the recirculating means, the detector, the regenerating means, the humidification means, and the exhausting means. | 12-22-2011 |
| 20110294023 | CLOSED LOOP TYPE FUEL CELL SYSTEM WITH UNREACTED MATERIAL REMOVING FUNCTION - Disclosed herein is a closed loop type fuel cell system having a removal function for an oxidant and a reductant, which are unreacted material, including a recirculating means recirculating oxidant and reductant discharged from the main fuel cell back into the main fuel cell; and a regenerating means for removing moisture produced during the operation of the main fuel cell and impurities contained in the recirculated oxidant and reductant. | 12-01-2011 |
| 20110287122 | APPARATUS AND METHOD FOR FABRICATING 3D SCAFFOLD - An apparatus for fabricating a 3D scaffold includes: a plotter generating a microfiber structure; an electrospinning unit installed to be adjacent to the plotter along a first direction and spinning nanofiber in an internal space or on a surface of the microfiber structure to form a nanofiber web; a collection table reciprocating a lower portion of the plotter and that of the electrospinning unit along the first direction to allow the microfiber structure to be stacked thereon by the plotter and allow the nanofiber web to be formed thereon by the electrospinning unit; and a first guide rail allowing the collection table to be mounted thereon and guiding the collection table mounted thereon to reciprocate along the first direction. | 11-24-2011 |
| 20110284804 | THERMOELECTRIC MATERIAL AND COMPOSITES MADE FROM THERMOELECTRIC MATERIAL AND A METHOD FOR FABRICATING THEREOF - The thermoelectric material according to the present invention is characterized in that carbon nanotubes are dispersed in thermoelectric matrix powder by mechanically grinding, mixing, and treating by heating a mixed powder formed through a chemical reaction after mixing a first solution in which carbon nanotubes are dispersed and a second solution containing metallic salts. Further, a method for fabricating the thermoelectric material includes fabricating the first solution and the second solution, mixing the first solution and the second solution with each other to form a mixed solution, forming and growing a mixed powder in which carbon nanotubes and metals are mixed by a chemical reaction of the mixed solution, mechanically grinding and mixing the mixed powder, and heating the ground-and-mixed mixed powder to form the thermoelectric material. In addition, a composite can be made from the thermoelectric material by performing a spark plasma sintering process using the thermoelectric material, and has an improved thermoelectric efficiency due to the carbon nanotubes dispersed in the thermoelectric materials. | 11-24-2011 |
| 20110256018 | Ni-Based Single Crystal Superalloy with Good Creep Property - A Ni-based single crystal superalloy with good resistance to creep deformation and creep life at a high temperature is formed by adjusting the quantity of relatively inexpensive alloy elements while minimizing the quantity of expensive alloy elements. The Ni-based single crystal superalloy with good creep properties comprises Co: 11.5˜13.5%, Cr: 3.0˜5.0%, Mo: 0.7˜2.0%, W: 8.5˜10.5%, Al: 4.5˜6.5%, Ti: 0.5˜2.0%, Ta: 6.0˜8.0%, Re: 2.0˜4.0%, Ru: 0.1˜2.0% in Weight %, with the rest of the superalloy comprising Ni and other inevitable impurities. In addition, the superalloy has a mixed structure of the γ matrix and γ′ particles. | 10-20-2011 |
| 20110169027 | Patterning Method of Metal Oxide Thin Film Using Nanoimprinting, and Manufacturing Method of Light Emitting Diode - Disclosed are a patterning method of a metal oxide thin film using nanoimprinting, and a manufacturing method of a light emitting diode (LED). The method for forming a metal oxide thin film pattern using nanoimprinting includes: coating a photosensitive metal-organic material precursor solution on a substrate; preparing a mold patterned to have a protrusion and depression structure; pressurizing the photosensitive metal-organic material precursor coating layer with the patterned mold; forming a cured metal oxide thin film pattern by heating the pressurized photosensitive metal-organic material precursor coating layer or by irradiating ultraviolet rays to the pressurized photosensitive metal-organic material precursor coating layer while being heated; and removing the patterned mold from the metal oxide thin film pattern, and selectively further includes annealing the metal oxide thin film pattern. Within this, there is provided a method for forming a metal dioxe thin film pattern using nano imprinting, which makes it possible to simplify the process for forming the pattern since the process of separately applying the ultraviolet resin to be used as the resist can be omitted, and forms a micro/nano composite pattern through a single imprint process. | 07-14-2011 |
| 20110111205 | METHOD OF MANUFACTURING POROUS SINTERED REACTION-BONDED SILICON NITRIDE CERAMICS FROM GRANULAR Si MIXTURE POWDER AND POROUS SINTERED REACTION-BONDED SILICON NITRIDE CERAMICS MANUFACTURED THEREBY - Disclosed is a porous sintered reaction-bonded silicon nitride ceramic, which includes an array of sintered granules having fine pore channels in the sintered granules and coarse pore channels formed between the sintered granules, and in which the pore channel size is controlled so that both coarse pores and fine pores are formed together in the ceramic, thus simultaneously enhancing air permeability and capturing efficiency. A method of manufacturing the porous sintered reaction-bonded silicon nitride ceramic is also provided. | 05-12-2011 |
| 20110097514 | Method for Fabricating Fine Conductive Patterns Using Surface Modified Mask Template - Disclosed is a method for fabricating fine conductive patterns using a surface modified mask template, the method including: depositing a high molecular substance on a substrate; applying a hydrophobic material onto the high molecular substance so that the hydrophobic material can infiltrate into the high molecular substance; forming a mask template by removing a part of the high molecular substance to form a recess where a region of the substrate is exposed to an outside; depositing conductive ink on the mask template; and performing annealing to abstract metal particles from a metallic compound dissolved in the conductive ink so that an insulating pattern can be formed in a region on which the high molecular substance is deposited, but a conductive pattern can be formed as the metal particles are abstracted from the conductive ink in the recess and cohere with each other. | 04-28-2011 |
| 20110069274 | VISION ASSISTANCE DEVICE HAVING CONDUCTIVE TRANSPARENT THIN FILM - A vision assistance device includes a lens based on a transparent material, a conductive transparent thin film contacting the lens and containing carbon nanotubes, electrodes electrically connected to the conductive transparent thin film, and a portable power supply electrically connected to the electrodes. The vision assistance device prevents fogging and retains heat. | 03-24-2011 |
| 20110049548 | Patterning method of metal oxide thin film using nanoimprinting, and manufacturing method of light emitting diode - A method for forming a metal oxide thin film pattern using nanoimprinting according to one embodiment of the present invention includes: coating a photosensitive metal-organic material precursor solution on a substrate; pressurizing the photosensitive metal-organic material precursor coating layer to a mold patterned to have a protrusion and depression structure; forming the metal oxide thin film pattern by irradiating ultraviolet rays to the pressurized photosensitive metal-organic material precursor coating layer to cure it; and removing the patterned mold from the metal oxide thin film pattern. | 03-03-2011 |
| 20100302325 | Integrated Apparatus for Supplying Ink and Regulating Pressure - Disclosed is an integrated apparatus for supplying ink and regulating pressure, which comprises a chamber accommodating ink, a main chamber preliminarily storing ink to be supplied to the chamber, a nozzle communicating with the chamber and jetting ink transferred from the chamber to an outside, a first valve blocking or letting flow of ink between the main chamber and the chamber, a second valve blocking and letting flow of ink between the chamber and the nozzle, a piston placed above ink accommodated in the chamber and reciprocating rectilinearly while sealing ink inside the chamber, a piston driver providing a driving force to the piston, a sensor installed in the chamber and sensing pressure due to weight of ink, and a controller receiving a sensed signal from the sensor and outputting a signal for controlling the piston to the piston, wherein the piston moves down as a level of ink accommodated in the chamber is lowered when ink is discharged to the outside through the nozzle, and the piston moves up and the first valve and the second valve are respectively opened and closed when ink is filled in the chamber. | 12-02-2010 |
| 20100188449 | PRINTING HEAD FOR NANO PATTERNING - The present invention provides a printing head for nano patterning including a manifold for accommodating a liquid printing material, a cartridge with an injection chamber communicating with the manifold, and a sample holder for patterning installed outside the injection chamber of the cartridge. The printing head comprises a shadow mask which is installed outside the injection chamber to be finely moved in an X-Y direction and has a single injection hole with a relatively very small size; an actuator for finely moving the shadow mask; an injection-inducing unit including a high voltage generator, a power supply electrode that is installed within the injection chamber and receives power from the high voltage generator to generate positive charges, and an opposite electrode for generating negative charges on the sample holder in a state where the shadow mask is interposed between the power supply electrode and the opposite electrode, thereby generating induced discharge from the injection chamber toward the sample holder; and a control unit for controlling the driving of the actuator so that the injection hole of the shadow mask can be moved to patterning positions corresponding to patterning data input in advance. According to the present invention, patterning accuracy can be improved, ultra-fine patterning and patterning of arbitrary shapes can be achieved, and a configuration for injecting the printing material can be simplified. | 07-29-2010 |
| 20100176379 | SELF-ALIGNED ORGANIC THIN FILM TRANSISTOR AND FABRICATION METHOD THEREOF - The present invention relates to a self-aligned organic thin film transistor (TFT) and a fabrication method thereof. According to the present invention, a gate electrode is formed from a first conductive layer patterned on a substrate, a gate dielectric layer is formed on top of the substrate to cover the gate electrode, and a second conductive layer is then formed on the gate dielectric layer. Subsequently, ultraviolet (UV) backside exposure for irradiating the second conductive layer with UV from a bottom side of the substrate using the gate electrode as a mask, and source/drain electrodes self-aligned with the gate electrode is then formed not to overlap with the gate electrode by developing the second conductive electrode. Thereafter, an organic semiconductor layer is formed between and on the source/drain electrodes. In the present invention, an organic TFT can be fabricated using a reel-to-reel process, and therefore, the fabrication process can be simplified. | 07-15-2010 |
| 20100133802 | LUMINOUS ADVERTISEMENT SHEET - The present invention relates to a luminous advertisement sheet. The luminous advertisement sheet includes a light-transmitting print sheet having an EL advertisement region formed in at least one area of the print sheet, and a general advertisement region formed in the other area thereof. The EL advertisement region has at least one of a fixed pattern portion in which a transparent electrode layer, an EL layer and a dielectric layer are sequentially laminated and a variable pattern portion in which a transparent electrode layer, an EL layer, a dielectric layer and a plurality of pixel electrode layers are sequentially laminated. The general advertisement region allows general dye printing to be performed therein. The luminous advertisement sheet further includes a pattern electrode layer laminated and printed with a conductive ink material to have a predetermined luminous pattern in at least one area of the dielectric layer laminated in the fixed pattern portion and/or the variable pattern portion. Accordingly, there are provided a luminous advertisement sheet that exhibits excellent advertisement effects and can be easily produced in a multi-line small-batch production manner and at remarkably reduced manufacturing costs, and a method of manufacturing the same. | 06-03-2010 |
| 20100127728 | CANTILEVER-TYPE MICRO CONTACT PROBE WITH HINGE STRUCTURE - According to the present invention, allowable displacement can be increased from an excellent stress relaxation effect achieved by applying a hinge structure while adopting advantages of a dual beam cantilever-type probe that can reduce scrub. Since the hinge structure is a structure that does not receive a moment, an effect that is the same as eliminating a moment in a conventional prove can be achieved so that stress can be evenly applied and the allowable displacement of the probe can be increased. | 05-27-2010 |
| 20100102093 | Hollow Actuator-Driven Droplet Dispensing Apparatus - A hollow actuator-driven droplet dispensing apparatus may include an elastic tube having an elastic body, defining a storage space therein, and extending a predetermined length, and a hollow actuator fitted around the elastic tube so as to generate a force and a displacement in the longitudinal direction when an electric field is applied. The hollow actuator is expanded or contracted in the longitudinal direction of the elastic tube when the external voltage is applied, thereby reducing or enlarging the volume of an inner space of the elastic tube. The droplet dispensing apparatus can press the elastic tube to expand or contract the volume of the inner space of the tube using the hollow actuator capable of quickly generating a displacement in response to an application voltage so that a fixed amount of content can be discharged out and taken into the tube. | 04-29-2010 |
| 20100091107 | HIGH SPEED OPTICAL MONITORING SYSTEM - The present invention discloses a high speed optical monitoring system being capable of monitoring clearly a subject at a high speed and having a small dimension. The high speed optical monitoring system for monitoring at least one subject which is in a stationary state or being moved, comprises at least one subject source for generating the subject; a subject source support for aligning and supporting the subject source so as to allow the subject to be placed on an identical focal space plane; an image acquisition means provided with an electrically-powered zoom lens capable of controlling a focal length between the image acquisition means and the subject, a magnification and a depth; a mirror body mounted between the subject and the image acquisition means; a mirror driving unit for changing a rotational angle of the mirror body; an image processing unit for processing an image acquired by the image acquisition means into digital data; a lighting means for illuminating the subject; and a control unit for controlling the lighting means and driving of the subject source, the image acquisition means and the mirror. | 04-15-2010 |
| 20100071583 | STATIC BEARING CONVEYING APPARATUS HAVING MAGNETICALLY PRELOADING AND MOTIONAL ERROR CORRECTING FUNCTIONS - Disclosed is a static bearing conveying apparatus having magnetically preloading and motional error correcting functions. The apparatus comprises a guide having a guide surface formed on one side of the guide facing a table, magnetic preload units provided between the guide and the table to generate preload, and a motional error correcting control unit comprising a controller to control the magnetic preload units and a power amplifier to apply electric current according to a control signal from the controller. Each of the magnetic preload units comprises a permanent magnet, a core collinear with magnetic fluxes from the permanent magnet, an electromagnetic coil wound around the core, and a fixing bracket having the permanent magnet supported by the table. The apparatus is simplified in structure of the table and the overall guide, and reduces motional errors of the guide by correcting errors of a floating gap of the static bearings. | 03-25-2010 |
| 20090314982 | SIALON HAVING MAGNETIC PROPERTIES AND METHOD FOR MANUFACTURING THE SAME - Disclosed herein is a method of manufacturing sialon having magnetic properties, including: mixing silicon nitride, aluminum nitride, alumina and rare-earth oxide to form a mixture; and sintering the mixture in a nitrogen atmosphere, wherein the resulting sialon has a saturation magnetization value ranging from 0.15 to 0.24 emu/g. In the method, iron (Fe) is added to the mixture to form iron silicide, thus improving the magnetic properties of the sialon. The method is advantageous in that it can be applied to fields requiring electromagnetic materials such as high-speed transmission transformer cores, electromagnet cores and the like, and magnetic properties are additionally imparted to sialon having excellent structural properties, so that it is expected that it will be widely used in the future. | 12-24-2009 |
| 20090308796 | SELF-RECIPROCATING ENERGY RECOVERY DEVICE - Disclosed is a self-reciprocating energy recovery device utilized in driving of a seawater pump by self-reciprocating a piston of a power recovery chamber and recovering energy not using an electronic drive unit but using the hydraulic power of concentrated water. The self-reciprocating energy recovery device including a pair of power recovery chambers having pistons therein respectively, a high-pressure concentrated supply pipe, a low-pressure concentrated discharge pipe, and a high-pressure seawater discharge pipe to enable the power recovery chambers to recover hydraulic power supplied through the high-pressure concentrated water supply pipe and utilize the hydraulic power in driving of a seawater pump. | 12-17-2009 |
| 20090308508 | Heat Treatment Method of a Ni-Based Superalloy for Wave-Type Grain Boundary and a Ni-Based Superalloy Produced Accordingly - The present invention suggests a method of heat treatment of a Ni-based superalloy that improves resistance against creep, fatigue and stress corrosion cracking while being economical and easy, and a Ni-based superalloy produced by using the same. The method and the superalloy of the present invention include solution treatment at the high temperature region during a heat treatment process after manufacturing or final cold working fabrication. Immediately following the solution treatment, the material is slowly cooled at 1˜15° C./minute down to the intermediate temperature region for aging treatment. After the slow cooling stage, aging treatment is directly performed by holding it at the intermediate temperature region for the prescribed time. Lastly, the aging treatment is followed by air-cooling stage. | 12-17-2009 |
| 20090277483 | MEGASONIC CLEANING MODULE - Disclosed herein is a megasonic cleaning module. The megasonic cleaning module includes a vibrator having a piezoelectric element mounted therein for generating ultrasonic waves by the vibration of the piezoelectric element, a first vibratory rod having a diameter gradually decreased to concentrate the longitudinal ultrasonic waves generated from the vibrator, and a second vibratory rod for progressing the longitudinal ultrasonic waves, generated from the first vibratory rod, in the transverse direction. The size of the second vibratory rod at one side thereof where the second vibratory rod is coupled to the first vibratory rod is less than that of the second vibratory rod at the other side thereof, with the result that the longitudinal ultrasonic waves are not prevented from affecting the wafer. | 11-12-2009 |
| 20090250102 | PHOTOELECTRIC CONVERSION DEVICE USING SEMICONDUCTOR NANOMATERIALS AND METHOD OF MANUFACTURING THE SAME - A photoelectric conversion device using a semiconductor nanomaterial to which a rectifying action caused by a Schottky junction between semiconductor nanomaterials and metal is applied and a method of manufacturing the same are provided. The photoelectric conversion device includes a substrate, an insulating layer formed on the substrate, a nanomaterial layer made of a plurality of semiconductor nanomaterials vertically arranged between the insulating layer or horizontally arranged on the substrate, and a metal layer provided on the semiconductor nanomaterial layer to form a Schottky junction with the semiconductor nanomaterials. The electrical energy is generated by rectification generated between the semiconductor nanomaterials and the metal layer that form the Schottky junction with each other. | 10-08-2009 |
| 20090238728 | PLASMA SCRUBBER - A plasma scrubber that forms a high temperature atmosphere in a reactor to effectively decompose and remove a non-biodegradable gas and reduce power consumption is disclosed. The plasma scrubber includes: a first reactor to which a non-biodegradable gas is supplied; an electrode installed in the first reactor and protruding in the flow direction of the non-biodegradable gas to generate plasma in the non-biodegradable gas supplied between the electrode and the first reactor by a discharge reaction in the first reactor; a second reactor connected to the first reactor to form continuous arc jets by anchoring the plasma to the electrode; and a third reactor connected to the second reactor to decompose the non-biodegradable gas by forming a reaction section of high temperature that contains electrons and chemical species of high reactivity in the second reactor and thereby increasing the stay time and reactivity of the non-biodegradable gas. | 09-24-2009 |
| 20090232681 | ULTRASONIC PIEZOELECTRIC PUMP - Disclosed is an ultrasonic piezoelectric pump in which a piezoelectric pump is integrated with a fluid pipe without a check valve so that the structure can be simplified. The pump includes a fluid pipe having a hollow part formed therein to permit a fluid to flow from a fluid source, a piezoelectric actuator inserted into the hollow part and including a piezoelectric device and a plurality of fluid holes, a controller connected to a lead wire to apply a driving power to the piezoelectric device, and a tapered nozzle inserted into the hollow part in front of the piezoelectric actuator and tapered forward and downwardly. | 09-17-2009 |
| 20090223542 | CLEANING APPARATUS USING ULTRASONIC WAVES - Disclosed herein is a cleaning apparatus using ultrasonic waves. The cleaning apparatus to separate contaminations from a wafer includes a housing receiving an oscillator therein, and a rod coupled to a surface of the oscillator to transmit ultrasonic waves produced from the oscillator to a cleaning solution applied onto an upper surface of the wafer. The oscillator includes a piezo-electric device bonded to a diffusive layer consisting of a near-field region and a far-field region. The rod has a diameter-reduced portion to amplify the ultrasonic waves produced from the oscillator, thereby enabling the efficient removal of the contaminations on the wafer to be cleaned. | 09-10-2009 |
| 20090200805 | COMPRESSED-AIR-STORING ELECTRICITY GENERATING SYSTEM AND ELECTRICITY GENERATING METHOD USING THE SAME - Disclosed are a compressed air energy-storing electricity generating system and an electricity generating method using the same, in which air of a high pressure is injected into a tank laid under the ground using midnight electricity and surplus produced electricity, and the air of the high pressure in the tank is uniformly discharged so as to drive a generator during a time period when the consumption of electric power is high, thus efficiently managing energy. | 08-13-2009 |
| 20090128022 | ORGANIC LIGHT EMITTING DEVICE AND MANUFACTURING METHOD THEREOF - An organic light emitting device having a photonic crystal structure and a manufacturing method thereof are provided. The organic light emitting device comprises: a substrate through which light passes; a photonic crystal layer formed on the substrate and having a photonic crystal structure; an intermediate layer formed on the photonic crystal layer and having a large refractive index compared with the photonic crystal layer; a first electrode layer formed on the intermediate layer; a light emitting layer formed on the first electrode layer and emitting light according to current flow; and a second electrode layer formed on the light emitting layer. | 05-21-2009 |
| 20090112288 | FREQUENCY ANALYZER FOR MEMS BASED COCHLEAR IMPLANT WITH SELF POWER SUPPLY - Disclosed is a frequency analyzer for a MEMS based cochlear implant with self power supply. The frequency analyzer for a MEMS based cochlear implant includes: an upper structure including a first substrate, and a nano wire contact portion formed under the first substrate and coated with a high conductivity metal; and a lower structure including a second substrate having a space filled with a fluid and an upper portion of which is opened, a membrane formed on the fluid filled in the space of the second substrate, a first electrode formed on the membrane, and a nano wire formed on the first electrode and having the piezoelectric characteristics related to an arbitrary direction in which the nano wire is grown. | 04-30-2009 |
| 20090097995 | SYRINGE PUMP - A syringe pump is disclosed, which uses the linear actuator applying a linear motion of a piezoelectric linear motor in moving the piston, such that suction and exhaustion of the fluid can be performed more precisely through controlling of power supply with respect to the piezoelectric linear motor. | 04-16-2009 |
| 20090057295 | HEATING SUBSTRATE EQUIPPED WITH CONDUCTIVE THIN FILM AND ELECTRODE, AND MANUFACTURING METHOD OF THE SAME - The present invention is to provide a heating substrate equipped with a conductive thin film and electrodes. The heating substrate includes a transparent substrate, a plurality of electrodes formed on a first face of the substrate, and a conductive thin film formed on the first face of the substrate and including a plurality of regions electrically connected each other in parallel by the plurality of electrodes. Furthermore, a method of manufacturing a heating substrate equipped with a conductive thin film and electrodes according to an exemplary embodiment of the present invention includes forming the conductive thin film on a substrate, forming main electrodes so as to extend on the substrate while being adjacent to edges of the conductive thin film, and forming branched electrodes that are extended from the conductive thin film across one side of the conductive thin film while coming in contact with the conductive thin film. | 03-05-2009 |
| 20090056594 | PLANAR STAGE MOVING APPARATUS FOR MACHINE - A planar stage moving apparatus for a machine includes: first to fourth linear motors for applying, between a base, i.e. a fixed body and a table, i.e. a movable body, a movement force to the table, each linear motor including a stator core on which a coil is wound and which is fixed to the base and a mover core to which a permanent magnet is attached and which is fixed to the table; an air bearing unit provided between the base and the table to move the table under the influence of magnet fields when currents are applied to the coils of the linear motors; and a linear encoder installed on one side of the table to measure movement of the table. | 03-05-2009 |
| 20090032107 | ORGANIC SOLAR CELL USING CONDUCTIVE POLYMER TRANSPARENT ELECTRODE AND FABRICATING METHOD THEREOF - The present invention relates to an organic solar cell made of a transparent conductive polymer electrode and a fabricating method thereof. An anode electrode is formed on a substrate, a photoactive layer is formed on the anode electrode, and a cathode electrode is then formed on the photoactive layer. The anode electrode is formed by stacking conductive polymer particles by an electrostatic spray printing method, and a micro pattern is formed on the substrate before forming the anode electrode. The micro pattern is formed by hot embossing, the photoactive layer is formed by gravure printing or spin coating, and the cathode electrode is formed by screen print or evaporation deposition. A series of processes for fabricating an organic solar cell is performed using a roll-to-roll process. | 02-05-2009 |
| 20090031703 | PLASMA BURNER AND DIESEL PARTICULATE FILTER TRAP - A plasma burner and a diesel particulate filter (DPF) trap that can effectively oxidize and remove a particulate material (PM) within an exhaust gas by preheating fuel and mixing the fuel with the exhaust gas are provided. The DPF includes: a filter that is connected to an exhaust conduit at a side opposite to that of an engine; a plasma burner that is provided within the exhaust conduit between the engine and the filter, and that includes a fuel inlet that supplies fuel and a flame vent that projects a flame by a plasma discharge, and that heats exhaust gas; and a fuel inflow conduit that connects the fuel inlet and a fuel tank. | 02-05-2009 |
| 20080276600 | Apparatus for Plasma Reaction and System for Reduction of Particulate Materials in Exhaust Gas Using the Same - A reduction system for particulate materials in exhaust gas, which is connected to a tailpipe of an engine that burns a hydrocarbon-based fuel supplied from a fuel storage tank, and collects and removes particulate materials within the exhaust gas, may include a plasma reactor having a gas inlet and an outlet, and a DPF (diesel particulate filter) trap having a filter. The tailpipe of the engine may communicate with the gas inlet of the plasma reactor, and the outlet of the plasma reactor may communicate with the DPF trap. The exhaust gas exhausted from the engine may be transferred to the DPF trap after being heated while passing through the plasma reactor. | 11-13-2008 |
| 20080260167 | SOUND QUALITY DISPLAY APPARATUS, SOUND QUALITY DISPLAY METHOD, COMPUTER READABLE MEDIUM ON WHICH SOUND QUALITY DISPLAY PROGRAM IS RECORDED AND SOUND CAMERA - Disclosed are a sound quality display apparatus, a sound quality display method, a computer readable medium on which a sound quality display program is recorded, and a sound camera. The apparatus includes a sound detector detecting sound generated from a sound source, a background photographing unit photographing background where the sound source is positioned, a sound source signal generator creating a sound source signal as a sound signal at a sound source plane where the sound source is positioned by analyzing the sound signal detected by the sound detector, a sound quality data generator creating sound quality data at the sound source plane by processing of the sound source signal, and a display displaying sound quality image data created by overlaying image data of the background photographed by the background photographing unit with the sound quality data. | 10-23-2008 |
| 20080202360 | Imprinting Apparatus For Forming Pattern at Uniform Contact by Additional Constant Pressure - The present invention provides an imprinting apparatus ( | 08-28-2008 |
